Marc Miller was only a few seconds into the race when, while more than 50 cars converged on a narrow braking zone. And then he got rear-ended and had to avoid cars crashing all around him. It's an incredible video.See it here:

The face of determination and grace under pressure Mazda racer U.S. Marine Staff Sgt. Liam Dwyer did not let the loss of his leg serving his coutry hold him back. Listen to his story and see in in action here